“And it is hereby declared, that it shall be in the power of either parties, or their foresaids (if they shall hereafter find it necessary), to communicate the level of the said coal to any neighbouring coal-works: Providing always, that they be obliged like as they hereby bind and oblige them and their foresaids, to submit to arbiters, to ascertain the consideration to be paid by any one of the said parties to the other on that account; upon payment whereof, both the said parties are hereby obliged to consent and agree to such communicating reciprocally.”
“And it is hereby mutually agreed on and declared, that though the said coal should wear out during the continuance of this tack, yet, notwithstanding thereof, the present tack shall subsist, in so far as extends to all the other particulars above set (separate from the coal), and whole tack duties, and other prestations stipulate thereanent, in the same manner as if the tack of the coal had not been comprehended herein.”
“Find, that by the conception of the tack in question, it is competent to either party, the pursuer or defender, to communicate the level of the Duddingston coal to any neighbouring coal-work, even though such neighbouring coal-work is not immediately adjacent to the Duddingston coal; the party who communicates the said level being liable to pay to the
“Find that, the communication of the level being granted during the currency of the tack by the lessee, to a neighbouring coal work, is not determinable by the term of the tack, but that the same may subsist for the use of the lessee and his heirs, so long as they shall continue to have right or interest in the neighbouring coals to which the level may be communicated, as the said neighbouring coals are ascertained by the interlocutors of the 23d December 1760, and6th March 1761 .”